May I speak to David, please? 请问大卫在吗？

Speaking. 我就是。

May I ask who is calling, please? 请问你是哪位？

This is Peggy from Classic Books. 我是善本书的佩琦。

It’s James here. 我是詹姆士。

Just a moment, please. 请稍等。

Hold on. 稍等。

Hang on. 稍等。

I am afraid he is not in right now. 很抱歉，他现在不在。

He’s just gone out. Would you like to call him back later?

他刚出去。你可不可以待会再打来？

Would you like to leave a message? 你要留言吗？

May I leave a message? 我可以留话吗？